1. In SolidWorks, open the file in AutoCAD format for input.
2. Import DWG and DXF files into SolidWorks sketches.
3. Convert each view in the sketch into front view, top view, etc. The sketch will be folded at right angles.
4. Align the sketches.
5. Stretch matrix features.
6. Cut or stretch other features.
In this conversion process, 2D to 3D toolbars are mainly used to conveniently convert 2D drawings into 3D digital and analog models.